org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/GeometryComponent.java

   1 package org.simantics.plant3d.scenegraph;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collection;
   5 import java.util.Collections;
   6 import java.util.HashMap;
   7 import java.util.HashSet;
   8 import java.util.List;
   9 import java.util.Map;
  10 import java.util.Set;
  11
  12 import org.jcae.opencascade.jni.TopoDS_Shape;
  13 import org.simantics.g3d.math.MathTools;
  14 import org.simantics.g3d.scenegraph.GeometryProvider;
  15 import org.simantics.g3d.scenegraph.MeshProvider;
  16 import org.simantics.g3d.scenegraph.NodeHighlighter.HighlightEventType;
  17 import org.simantics.g3d.scenegraph.ParametricGeometryProvider;
  18 import org.simantics.g3d.shape.Mesh;
  19 import org.simantics.g3d.vtk.common.VtkView;
  20 import org.simantics.g3d.vtk.shape.MeshActor;
  21 import org.simantics.g3d.vtk.shape.vtkMeshObject;
  22 import org.simantics.opencascade.OccTriangulator;
  23 import org.simantics.opencascade.SolidModelProvider;
  24 import org.simantics.opencascade.vtk.vtkSolidObject;
  25
  26 import vtk.vtkActor;
  27 import vtk.vtkProp3D;
  28 import vtk.vtkProperty;
  29
  30 public class GeometryComponent {
  31
  32         private TopoDS_Shape solidModel;
  33         private vtkSolidObject solidObject;
  34         private Mesh mesh;
  35         private vtkMeshObject meshObject;
  36
  37         private Map<String,Object> currentParameters;
  38         private Map<String,Object> calculatedParameters;
  39
  40         private boolean parametersUpdated = true;
  41
  42         private GeometryProvider geometryProvider;
  43
  44         public GeometryComponent() {
  45                 currentParameters = new HashMap<>();
  46                 calculatedParameters = new HashMap<>();
  47         }
  48
  49         public void visualize(VtkView panel) {
  50                 if (geometryProvider != null) {
  51                         updateParameters();
  52
  53                         if (geometryProvider instanceof SolidModelProvider) {
  54                                 SolidModelProvider solidModelProvider = (SolidModelProvider)geometryProvider;
  55                                 if (solidModel == null || parametersUpdated) {
  56                                         createGeometry(solidModelProvider);
  57                                 }
  58                                 if ((solidObject == null || parametersUpdated) && solidModel != null) {
  59                                         solidObject = new vtkSolidObject(panel, solidModel);
  60                                 }
  61                                 if (solidObject != null) {
  62                                         solidObject.visualizeSolid(true,true, false,false);
  63                                         updateVisuals(true, true);
  64                                 }
  65                         } else  if (geometryProvider instanceof MeshProvider) {
  66                                 MeshProvider provider = (MeshProvider)geometryProvider;
  67                                 if (mesh == null || parametersUpdated) {
  68                                         mesh = provider.getMesh();
  69                                 }
  70                                 if ((meshObject== null || parametersUpdated) && mesh != null) {
  71                                         meshObject = new vtkMeshObject(panel, mesh);
  72
  73                                 }
  74                                 if (meshObject != null) {
  75                                         meshObject.visualizeMesh();
  76                                         updateVisuals(true, true);
  77                                 }
  78                         }
  79                 }
  80
  81                 parametersUpdated = false;
  82
  83         }
  84
  85         public void updateParameters() {
  86                 //if (parametersUpdated && geometryProvider instanceof ParametricGeometryProvider) {
  87                 if (geometryProvider instanceof ParametricGeometryProvider) {
  88                         ((ParametricGeometryProvider)geometryProvider).setProperties(currentParameters);
  89                         ((ParametricGeometryProvider)geometryProvider).updateCalculatedProperties(calculatedParameters);
  90                 }
  91         }
  92
  93         private void createGeometry(SolidModelProvider solidModelProvider) {
  94                 Collection<TopoDS_Shape> shapes;
  95                 try {
  96                         shapes = solidModelProvider.getModel();
  97                         if (shapes.size() == 1) {
  98                                 solidModel = shapes.iterator().next();
  99                         } else {
 100                                 solidModel = OccTriangulator.makeCompound(shapes.toArray(new TopoDS_Shape[shapes.size()]));
 101                                 for (TopoDS_Shape shape : shapes) {
 102                                         shape.delete();
 103                                 }
 104                         }
 105 //                              shapes.clear();
 106                 } catch (Exception e) {
 107                         // TODO Auto-generated catch block
 108                         e.printStackTrace();
 109                 }
 110         }
 111
 112         public Map<String, Object> getParameterMap() {
 113                 return Collections.unmodifiableMap(currentParameters);
 114         }
 115
 116         public Map<String, Object> getCalculatedParameters() {
 117                 return calculatedParameters;
 118         }
 119
 120         public Map<String, Object> getTotalParameters() {
 121         Map<String,Object> params = new HashMap<>();
 122         params.putAll(currentParameters);
 123         params.putAll(calculatedParameters);
 124         return params;
 125     }
 126
 127         public void setParametersUpdated(boolean parametersUpdated) {
 128                 this.parametersUpdated = parametersUpdated;
 129         }
 130
 131         public Set<String> setParameterMap(Map<String, Object> parameters) {
 132                 Set<String> ids = new HashSet<String>();
 133                 for (String id : parameters.keySet()) {
 134                         Object currentValue = currentParameters.get(id);
 135                         Object newValue = parameters.get(id);
 136                         if (currentValue == newValue)
 137                                 continue;
 138                         if (currentValue instanceof Double) {
 139                                 if (Math.abs((Double)currentValue-(Double)newValue) < MathTools.NEAR_ZERO)
 140                                         continue;
 141                         }
 142                         currentParameters.put(id, newValue);
 143                         parametersUpdated = true;
 144                         ids.add(id);
 145                 }
 146                 return ids;
 147         }
 148
 149         public GeometryProvider getGeometry() {
 150                 return geometryProvider;
 151         }
 152
 153         public void setGeometry(final GeometryProvider provider) {
 154                 if (provider != null && provider.equals(geometryProvider))
 155                         return;
 156
 157                 if (geometryProvider != null) {
 158                         deleteData();
 159                 }
 160                 geometryProvider = provider;
 161         }
 162
 163         private void deleteData() {
 164                 geometryProvider = null;
 165                 if (solidObject != null) {
 166                         solidObject.clearActors();
 167                         solidObject = null;
 168                 }
 169                 if (solidModel != null) {
 170                         solidModel.delete();
 171                         solidModel = null;
 172                 }
 173                 if (meshObject != null) {
 174                         meshObject.clearActors();
 175                         meshObject = null;
 176                 }
 177                 if (mesh != null)
 178                         mesh = null;
 179
 180         }
 181
 182         public Collection<vtkProp3D> getActors() {
 183                 List<vtkProp3D> list = new ArrayList<vtkProp3D>();
 184                 if (solidObject != null)
 185                         list.addAll(solidObject.getActors());
 186                 if (meshObject != null && meshObject.getActor() != null)
 187                         list.add(meshObject.getActor());
 188                 return list;
 189         }
 190
 191         public void stopVisualize() {
 192                 if (solidObject != null) {
 193                         solidObject.clearActorsVTK();
 194                         solidObject = null;
 195                 }
 196                 if (solidModel != null) {
 197                         solidModel.delete();
 198                         solidModel = null;
 199                 }
 200                 if (meshObject != null) {
 201                         meshObject.clearActorsVTK();
 202                         meshObject = null;
 203                 }
 204                 if (mesh != null)
 205                         mesh = null;
 206
 207         }
 208
 209         private boolean selected = false;
 210         private boolean hover = false;
 211
 212         public void highlight(HighlightEventType type) {
 213                 if (type == HighlightEventType.Selection || type == HighlightEventType.ClearSelection) {
 214                         selected = type == HighlightEventType.Selection;
 215 //                      hingeA.visualizeSolid(selected,true,false);
 216 //                      hingeB.visualizeSolid(selected,true,false);
 217                         updateVisuals(true, false);
 218 //                      update(null);
 219                 } else {
 220                         hover = type == HighlightEventType.Hover;
 221                         updateVisuals(false, true);
 222                 }
 223
 224
 225         }
 226
 227         protected double[] getSelectedColor() {
 228                 return new double[]{1,0,0};
 229         }
 230
 231         protected double[] getColor() {
 232                 return new double[]{1,1,0};
 233         }
 234
 235         public void updateVisuals(boolean s, boolean h) {
 236                 if (solidObject != null) {
 237                         if (s) {
 238                                 double color[];
 239                                 if (selected) {
 240                                         color = getSelectedColor();
 241
 242                                 } else {
 243                                         color = getColor();
 244
 245                                 }
 246                                 for (vtkProp3D prop : solidObject.getSolid()) {
 247                                         vtkProperty property = ((vtkActor)prop).GetProperty();
 248                                         property.SetColor(color);
 249                                         property.Delete();
 250                                 }
 251                         }
 252                         if (h) {
 253                                 double color[] = new double[]{0,0,0};
 254                                 if (hover)
 255                                         color = new double[]{1,0,1};
 256                                 for (vtkProp3D prop : solidObject.getEdges()) {
 257                                         vtkProperty property = ((vtkActor)prop).GetProperty();
 258                                         property.SetColor(color);
 259                                         property.Delete();
 260                                 }
 261
 262                         }
 263                 } else if (meshObject != null) {
 264                         if (s) {
 265                                 double color[];
 266                                 if (selected) {
 267                                         color = getSelectedColor();
 268
 269                                 } else {
 270                                         color = getColor();
 271
 272                                 }
 273                                 vtkProp3D prop = meshObject.getActor();
 274                                 if (prop != null) {
 275                                         vtkProperty property = ((vtkActor)prop).GetProperty();
 276                                         property.SetColor(color);
 277                                         property.Delete();
 278                                 }
 279
 280                         }
 281                         if (h) {
 282                                 double color[] = new double[]{0,0,0};
 283                                 MeshActor actor = meshObject.getActor();
 284                                 if (actor != null) {
 285                                         vtkProperty property = actor.GetProperty();
 286                                         if (hover) {
 287                                                 color = new double[]{1,0,1};
 288                                                 property.SetEdgeVisibility(1);
 289                                                 property.SetEdgeColor(color);
 290                                         } else {
 291                                                 property.SetEdgeVisibility(0);
 292                                                 property.SetEdgeColor(color);
 293                                         }
 294                                         property.Delete();
 295                                 }
 296                         }
 297                 } else {
 298 //                      if (s) {
 299 //                              axes.addToRenderer();
 300 //                              axes.setAxesVisibility(selected);
 301 //                      }
 302                 }
 303         }
 304 }